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Isuzu recall 20V720 (V2005): Chevrolet Low Cab Forward 4500, Isuzu NPR HD (2020)

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Illustrative photo, not the recalled vehicle. Photo: Alex Marc Wagner / Unsplash
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Chevrolet Low Cab Forward 4500, Isuzu Npr Hd, model year 2020. Filed by Isuzu Technical Center of America, Inc. and reported to NHTSA on 20 November 2020. 46 vehicles potentially affected.

What the notice says Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR-HD Gas (Crew Cab) and 2020 Chevrolet 4500 (Crew Cab) trucks equipped with 6.6L gasoline engines. The positive cable connecting the battery to the starter may be too long and may have been routed too close to the right-side exhaust pipe.

Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

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Isuzu's own number for this recall: V2005. That is the number on the owner letter and on the dealer paperwork. 20V720 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.

What owners ask about this recall

Which vehicles does recall 20V720 cover?
Chevrolet Low Cab Forward 4500, Isuzu NPR HD, model year 2020.
What is wrong with them?
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR-HD Gas (Crew Cab) and 2020 Chevrolet 4500 (Crew Cab) trucks equipped with 6.6L gasoline engines.
What can happen if it is not put right?
Over time, heat from the exhaust pipe may cause the conduit and insulation to deteriorate, exposing the wires, possibly causing a short circuit which could result in a no-start condition or a fire.
Is there a fix yet?
Yes, and it is free. Isuzu and Chevrolet will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall repairs will be done free of charge. The recall began December 11, 2020.
What should I do now?
Check your own vehicle by its VIN with NHTSA, which is the record to act on. Isuzu calls this recall V2005, which is the number on the owner letter and the dealer paperwork.

Answered from the register this site holds. NHTSA is the record to act on.

What the authority says can happen if this is not fixed: “Over time, heat from the exhaust pipe may cause the conduit and insulation to deteriorate, exposing the wires, possibly causing a short circuit which could result in a no-start condition or a fire.”

46vehicles potentially
affected
2models named
in the notice
0rewrites we have
caught
reported 20 November 2020owners told 11 December 2020today
The defect reached the regulator on 20 November 2020. Owners were written to 21 days later, on 11 December 2020. The median across the 14,869 American recalls that carry both dates is 41 days, and nine in ten owners are written to within 107. This campaign was quicker than most.
Campaign20V720
Filed byIsuzu Technical Center of America, Inc.
System at faultElectrical System:12v/24v/48v Battery:Cables
Reported to NHTSA20 November 2020
Model years2020-2020
Vehicles namedCHEVROLET LOW CAB FORWARD 4500, ISUZU NPR HD

What the notice says today

The consequence

Over time, heat from the exhaust pipe may cause the conduit and insulation to deteriorate, exposing the wires, possibly causing a short circuit which could result in a no-start condition or a fire.

The remedy

Isuzu and Chevrolet will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall repairs will be done free of charge. The recall began December 11, 2020. For additional information, Isuzu owners may contact Isuzu Customer Relations at 1-866-441-9638 and Chevrolet owners may contact the GM Medium Duty Truck assistance line at 1-800-862-4389. Isuzu's number for this recall is V2005.

What it said before

This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.

This is one of 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.

Last checked . No change has been recorded in the wording.

The models named here, across their whole recall history

How to cite this record

Quoting the wording on this page means quoting a version, so the date belongs in the citation:

CarsMultiverse, recall 20V720, wording as read on 16 September 2026. https://carsmultiverse.com/recall/20v720/

The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.

The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.

Other Isuzu notices we hold

All 40 Isuzu campaigns we hold · Every manufacturer in the record

The fingerprint of this notice

We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 20V720 on 23 August 2026, they were:

We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.

The wording we hold for 20V720 · how the whole register is watched

This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Isuzu NPR HD, in all seven, is kept on that vehicle's own page, with the newest in each.

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NHTSA 20V720, Chevrolet Low Cab Forward... and 1 more, every version kept at CarsMultiverse

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Owners of these cars

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